A man protesting the Ferguson grand jury decision to not indict officer Darren Wilson in the Michael Brown case is arrested while marching through the streets on December 1, 2014 in New York City. Brown, an 18-year-old black man, was killed by Darren Wilson, a white Ferguson, MO police officer, on August 9. (Photo by Andrew Burton/Getty Images)

A protester (C) demanding justice for Michael Brown tries to hold on to a fellow protester (R) as she is detained by police in riot gear for disrupting traffic in downtown St. Louis, Missouri November 30, 2014. Officer Darren Wilson announced his resignation late Saturday, saying he feared for his own safety and that of his fellow police officers after a grand jury decided not to indict him in the fatal Aug. 9 shooting of 18-year-old Michael Brown. (Photo by Adrees Latif/Reuters)

A protester demanding justice for Michael Brown shouts slogans while marching outside the Edward Jones Dome, the site of the NFL football game between the St. Louis Rams and the Oakland Raiders, in downtown St. Louis, Missouri November 30, 2014. (Photo by Adrees Latif/Reuters)

Protesters demanding justice for Michael Brown kneel on the ground before they are detained for disrupting traffic outside the Edward Jones Dome, the site of an NFL football game between the St. Louis Rams and the Oakland Raiders, in downtown St. Louis, Missouri November 30, 2014. (Photo by Adrees Latif/Reuters)

A man carries a cross through a neighborhood during Sunday church services in Ferguson, Missouri November 30, 2014. Ferguson, a predominantly black city of about 21,000 people where almost all the political leaders and police are white, became the focal point of a national debate on race relations after police officer Darren Wilson shot and killed Michael Brown on August 9. (Photo by Adrees Latif/Reuters)

A protester demanding justice for Michael Brown is detained by police in riot gear for disrupting traffic in downtown St. Louis, Missouri November 30, 2014. (Photo by Adrees Latif/Reuters)

A family looks through the destroyed windows of the Flood Christian Church, which was set a flame during recent unrest in Ferguson, Missouri November 30, 2014. (Photo by Adrees Latif/Reuters)

Protesters, demanding justice for Michael Brown, shout towards police in riot gear outside the Edward Jones Dome, the site of an NFL football game between the St. Louis Rams and the Oakland Raiders, in downtown St. Louis, Missouri November 30, 2014. (Photo by Adrees Latif/Reuters)

A clergy member assists a protester as he is taken to the ground on Sunday, November 30, 2014, at Kiener Plaza. Protesters and police clashed following an NFL football game between the St. Louis Rams and the Oakland Raiders as protests continued following a grand jury's decision not to indict a Ferguson police officer in the shooting death of Michael Brown. (Photo by Laurie Skrivan/AP Photo/St. Louis Post-Dispatch)

Police in riot gear ask protesters, who were demanding justice for Michael Brown, to stay back as they make arrests for disrupting traffic near the Edward Jones Dome, the site of an NFL football game between the St. Louis Rams and the Oakland Raiders, in downtown St. Louis, Missouri November 30, 2014. (Photo by Adrees Latif/Reuters)

Police detain a protester, who was demanding justice for Michael Brown, for disrupting traffic some blocks away from the Edward Jones Dome, the site of an NFL football game between the St. Louis Rams and the Oakland Raiders, in downtown St. Louis, Missouri November 30, 2014. (Photo by Adrees Latif/Reuters)

Police in riot gear arrest a protester, who was demanding justice for Michael Brown, for disrupting traffic some blocks away from the Edward Jones Dome, the site of an NFL football game between the St. Louis Rams and the Oakland Raiders, in downtown St. Louis, Missouri November 30, 2014. (Photo by Adrees Latif/Reuters)

Protestors hold hands as they rally against the Ferguson,Mo. Grand Jury exoneration of police officer Darren Wilson for his August 2014 shooting and killing of Michael Brown while at the U.S. Justice Department in Washington, December 1, 2014. U.S. President Obama asked Congress on Monday for $263 million for the federal response to the civil rights upheaval in Ferguson, Missouri, and is setting up a task force to study how to improve modern-day policing. (Photo by Larry Downing/Reuters)

Students at the University of Colorado gather in support of protesters in Ferguson, Missouri, during a demonstration in Boulder, Colorado December 1, 2014. The demonstration was part of a national student walk-out. (Photo by Rick Wilking/Reuters)

Students at the University of Colorado hold up their hands in support of protesters in Ferguson Missouri, during a demonstration, which was part of a national student walk-out, in Boulder, Colorado December 1, 2014. (Photo by Rick Wilking/Reuters)

Students at the University of Colorado hold up their hands for 4 1/2 minutes in support of protesters in Ferguson Missouri, during a demonstration, which was part of a national student walk-out, in Boulder, Colorado December 1, 2014. (Photo by Rick Wilking/Reuters)

Protestors stage a “die-in” as they rally against the Ferguson, Mo. Grand Jury exoneration of police officer Darren Wilson for his August 2014 shooting and killing of Michael Brown while, at the U.S. Justice Department in Washington, December 1, 2014. (Photo by Larry Downing/Reuters)

Protestors stage a “die-in” as they rally against the Ferguson, Mo. Grand Jury exoneration of police officer Darren Wilson for his August 2014 shooting and killing of Michael Brown while, at the U.S. Justice Department in Washington, December 1, 2014. U.S. President Barack Obama asked Congress on Monday for $263 million for the federal response to the civil rights upheaval in Ferguson, Missouri, and is setting up a task force to study how to improve modern-day policing. (Photo by Larry Downing/Reuters)

Protestors stage a “die-in” as they rally against the Ferguson, Mo. Grand Jury exoneration of police officer Darren Wilson for his August 2014 shooting and killing of Michael Brown while, at the U.S. Justice Department in Washington, December 1, 2014. (Photo by Larry Downing/Reuters)

A man marches with a sign depicting raised hands as students and activists hold a protest march through the streets of Manhattan against the verdict announced in the shooting death of Michael Brown, in New York, December 1, 2014. (Photo by Mike Segar/Reuters)

A young man marches with signs during a protest march through the streets of Manhattan against the verdict announced in the shooting death of Michael Brown, in New York, December 1, 2014. (Photo by Mike Segar/Reuters)

People march with signs during a protest march through the streets of Manhattan against the verdict announced in the shooting death of Michael Brown, in New York, December 1, 2014. (Photo by Mike Segar/Reuters)

Student activists stage a “die-in” as part of the nationwide “Hands up, walk out” protest, demanding justice for the fatal August 9 shooting of 18-year-old Michael Brown, at Washington University in St. Louis December 1, 2014. (Photo by Adrees Latif/Reuters)

Student activists stage a “die-in” as part of the nationwide “Hands up, walk out” protest, demanding justice for the fatal August 9 shooting of 18-year-old Michael Brown, at Washington University in St. Louis December 1, 2014. (Photo by Adrees Latif/Reuters)

An LAPD motorcycle officers uses his baton to push back demonstrators as his colleagues detain a man during a rally against the Missouri grand jury's decision to not indict Darren Wilson for his fatal shooting of Michael Brown and the LAPD's fatal shooting of Ezell Ford, in Los Angeles, California December 1, 2014. (Photo by Patrick T. Fallon/Reuters)

(L-R) Aaron Askew, 23, Johnnita Aldridge, 21, and Alexander Freeman, 24, pose for a photograph with their hands-up outside a restaurant in Ferguson, Missouri, November 30, 2014. The three say police arrested them along with another friend without cause at a gas station during the protests. Since August, roughly 300 people, including local residents and activists as well as organizers and journalists who traveled to Ferguson, have been arrested amid the protests, which have been marred by looting and arson attacks. (Photo by Emily Flitter/Reuters)